Using state-of-the-art racing technology, Edelbrock has designed these "super cooling" aluminum water pumps to provide maximum flow, maximum pressure and equal distribution to both sides of the block within 1%. Available for most popular applications, these high-performance pumps flow in only one direction for optimum efficiency. The casting's computer-designed internal passages and CNC-machined cast iron impeller produce the maximum flow rate possible. Features include: aircraft industry clearancesheavy-duty 3/4" integral ball/roller bearings and billet steel hubs. All Edelbrock Chevrolet water pumps that may be used in race applications have a unique O-ring that provides a far superior seal than conventional gaskets. This exclusive O-ring minimizes clearance and maximizes flow for racing and heavy-duty applications. All Victor Series high-performance aluminum water pumps are extremely durable as well as efficient.Pit Stop USA offers Edelbrock Victor Aluminum Water Pump - SB Ford - For 1965-68 289, 1968-69 302, 1969 351-W 8841 at low everyday prices. Be sure to check out all of our products from Edelbrock including Edelbrock Small Block Ford Water Pumps.